Luang Namtha weather in December

In December, Luang Namtha sees average daytime highs of 24°C and overnight lows near 13°C, with 28 mm of rain across 4.7 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 51% of the time in December, and the air most often feels comfortable.

Daylight stretches from about 10 h 48 min at the start of December to 10 h 42 min by month's end. Set against the rest of the year, December is Luang Namtha's 4th-clearest and 9th-windiest month. For the whole year in context, see Luang Namtha's year-round climate.

Daytime high
24°
12th warmest
Overnight low
13°
2nd coldest
Rainfall
28 mm
4.7 wet days
Daylight
10 h 42 min
6:49 AM – 5:33 PM
Cloud cover
42%
4th clearest
Wind
4 km/h
9th windiest
Solar energy
3.73 kWh/m²
Travel score
8.1
out of 10

Luang Namtha is city in Laos.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical December day in Luang Namtha reaches about 24°C in the afternoon and slips back to 13°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 27°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12514
22514
32414
42414
52414
62414
72414
82414
92414
102413
112413
122413
132413
142413
152313
162313
172313
182313
192312
202312
212312
222312
232312
242312
252312
262312
272312
282312
292312
302312
312312

How December really feels in Luang Namtha

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Luang Namtha weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 12°314.410.98.2
Feb27° / 13°183.411.37.8
Mar29° / 16°476.911.96.0
Apr31° / 19°10012.212.54.6
May30° / 22°17621133.6
Jun30° / 23°19524.313.23.1
Jul29° / 23°30427.713.13.1
Aug29° / 22°3252812.73.2
Sep29° / 22°19322.112.13.9
Oct28° / 20°8614.611.55.6
Nov26° / 16°426.8117.4
Dec24° / 13°284.710.88.1

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 20% of December, with mostly cloudy or overcast conditions the remaining 28%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16733
26634
36535
46535
56535
66535
76535
86535
96634
106634
116733
126832
136931
147129
157228
167426
177426
187624
197624
207723
217723
227723
237723
247822
257723
267723
277624
287624
297525
307525
317426

Chance of precipitation in December

Any precipitation

Luang Namtha gets around 28 mm of rain over 4.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 15% and peaks near 21% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
421
521
621
720
820
919
1018
1117
1216
1315
1414
1513
1612
1712
1811
1911
2011
2110
2211
2311
2411
2511
2611
2712
2812
2913
3014
3114

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the comfortable band about 39% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11745289
21845289
31945288
42045278
52145277
62244267
72444266
82543266
92743255
102942245
113042244
123241234
133441223
143640203
153840193
164039182
174238172
184438162
194637152
204837141
214936141
225135131
235235121
245334121
255334121
265334121
275433121
285433121
295433121
305433121
315333131

Wind in December

Winds average 4 km/h in December.

Across December, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 48 min at the start of December to 10 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:40 AM to 6:55 AM, and sunset from 5:29 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:405:29
210.86:405:29
310.86:415:29
410.86:415:29
510.86:425:29
610.86:435:30
710.86:435:30
810.86:445:30
910.86:455:30
1010.86:455:31
1110.86:465:31
1210.76:465:31
1310.76:475:31
1410.76:475:32
1510.76:485:32
1610.76:495:33
1710.76:495:33
1810.76:505:33
1910.76:505:34
2010.76:515:34
2110.76:515:35
2210.76:525:35
2310.76:525:36
2410.76:525:36
2510.76:535:37
2610.76:535:37
2710.76:545:38
2810.76:545:38
2910.76:555:39
3010.76:555:39
3110.76:555:40

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 3.73 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 3.73 kWh/m² to a high of 6 kWh/m² in April across the year — December's 3.73 kWh/m² sits near the bottom.

01234151015202531
Solar energy (kWh/m²)Level
13.7Moderate
23.7Moderate
33.7Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.7Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.8Moderate
203.8Moderate
213.8Moderate
223.8Moderate
233.9Moderate
243.9Moderate
253.9Moderate
263.9Moderate
273.8Moderate
283.8Moderate
293.8Moderate
303.8Moderate
313.8Moderate
Planning a trip in December

Hazard calendar for Luang Namtha

In seasonPeak

None of Luang Namtha's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Luang Namtha's monsoon runs May–September, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Luang Namtha?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

8.1
Sightseeing
2nd-best month of the year
6.6
Beach & pool
5th-best month of the year

December is one of the better times to visit Luang Namtha for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Luang Namtha in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Luang Namtha sees daytime highs around 24°C and nights near 13°C. Worth packing: light clothes. About 5 days see rain.

light clothes

UV index in Luang Namtha in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Luang Namtha peaks around June 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highVery highExtremeVery highHighJun 22UV 13Dec 19UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Extreme
Apr9Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Very high
Nov8Very high
Dec7High

Air quality in Luang Namtha in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Luang Namtha is worst in April — around 445 µg/m³ PM2.5 (very unhealthy), about 55.0× the cleanest month (November, 8 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0306090120150180210240270300330360390420JanFebMarAprMayJunJulAugSepOctNovDecModerateVery unhealthyGoodApr 14414 µg/m³Nov 98 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb30Moderate
Mar249Very unhealthy
Apr445Very unhealthy
May64Unhealthy
Jun11Good
Jul9Good
Aug9Good
Sep8Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is Luang Namtha?

Luang Namtha sits at 20.9°N, 101.4°E, 0 m above sea level, in Laos. The nearest listed city is Muang Sing, 38 km away.

Muang XayMöng YawngBan HouakhouaNong KhiawLuang PrabangBan KhoanMöng La

Topography around Luang Namtha

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Luang Namtha.

Within 3 km, the terrain around Luang Namtha has only modest variations in elevation — a maximum elevation change of 92 m around an average of 557 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 967 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,643 m.

The land around Luang Namtha is covered by cropland (53%) and trees (33%) within 3 km, trees (90%) within 16 km, and trees (90%) within 80 km.

3 km
92 m
16 km
967 m
80 km
1,643 m
treesgrasslandcroplandartificial surfaces
December weather nearby: Muang Sing 38 km · Muang Xay 67 km · Möng Yawng 111 km · Ban Houakhoua 126 km · Nong Khiaw 133 km · Luang Prabang 141 km · Ban Khoan 152 km · Möng La 165 km

Laos travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C / E / F
230 V · 50 Hz
Prices
≈ 23% of US
price level, 2025
GDP per capita
$2,325
2025
Happiness
5.5 / 10
World Happiness, 2025
Safe drinking water
35%
of population, 2024
Road deaths
17.9
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Low
EF EPI 461
Religion
Buddhist 65%none 31%other/not stated 2%Christian 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Luang Namtha (20.9486°, 101.4019°, elevation 0 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).